


High Seas Forecast
Issued by NWS
Issued by NWS
964 FZPN40 PHFO 141520 HSFNP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 1700 UTC SAT JUN 14 2025 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT. THIS HIGH SEAS FORECAST USES 1-MINUTE AVERAGE WINDS WHICH MAY BE HIGHER THAN 10-MINUTE AVERAGE WINDS. SECURITE NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E SYNOPSIS VALID 1200 UTC JUN 14 2025. 24 HOUR FORECAST VALID 1200 UTC JUN 15 2025. 48 HOUR FORECAST VALID 1200 UTC JUN 16 2025. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .TROUGH 30N174E 20N161E NEARLY STATIONARY. NUMEROUS STRONG TSTMS FROM 18N TO 24N W OF 164E. SCATTERED MODERATE TSTMS ELSEWHERE WITHIN 240 NM OF TROUGH. .24 HOUR FORECAST TROUGH NEAR 30N177E 23N167E. .48 HOUR FORECAST TROUGH DISSIPATED. .WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA. .SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA. .ITCZ 07N140W 04N160W 01N170W. ISOLATED MODERATE TSTMS WITHIN 150 NM N OF ITCZ W OF 153W. .ISOLATED MODERATE TSTMS FROM 02N TO 06N BETWEEN 163E AND 177E... AND FROM 03N TO 08N BETWEEN 175W AND 170W. $$ .FORECASTER SHIGESATO. HONOLULU HI.